Choose the correct statements regarding population interactions between two species.
$A$. In both parasitism and commensalism, only one species benefits and the other species is harmed.
$B$. Both species benefit in mutualism.
$C$. Both species benefit in commensalism.
$D$. In parasitism, only one species benefits and the other species is harmed.
$E$. In amensalism, one species is harmed and the other is unaffected.

  • A
    $A$ and $B$ only
  • B
    $B$ and $E$ only
  • C
    $B, D$ and $E$ only
  • D
    $A$ and $D$ only

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